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Failed to initialize User Identity Token
April 7, 2015
13:13, EEST
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Darko
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I am getting following exception when I try to connect with UserName token to SampleConsoleServer provided by Prosys:

com.prosysopc.ua.SessionActivationException: Failed to initialize User Identity Token: Bad_InternalError (code=0x80020000, description="2147614720, Cannot find any provider supporting RSA/NONE/PKCS1Padding") ServiceResult=Bad_InternalError (0x80020000) "An internal error occurred as a result of a programming or configuration error."
at com.prosysopc.ua.client.UaClient.c(Unknown Source)
at com.prosysopc.ua.client.UaClient.connect(Unknown Source)
at com.keba.opcua.KvsOpcUaClient.(KvsOpcUaClient.java:98)
at com.keba.opcua.KvsOpcUa.main(KvsOpcUa.java:48)
Caused by: org.opcfoundation.ua.common.ServiceResultException: Bad_InternalError (code=0x80020000, description="2147614720, Cannot find any provider supporting RSA/NONE/PKCS1Padding")
at org.opcfoundation.ua.utils.EndpointUtil.createUserNameIdentityToken(Unknown Source)
… 4 more
Caused by: java.security.NoSuchAlgorithmException: Cannot find any provider supporting RSA/NONE/PKCS1Padding
at javax.crypto.Cipher.getInstance(Cipher.java:524)
at org.opcfoundation.ua.utils.CryptoUtil.asymmEncrypt(Unknown Source)
… 5 more

The settings for the server are:

opc.tcp://localhost:52520/OPCUA/SampleConsoleServer

Username and password: “opcua”/”opcua”. Those credentials work when I use them in UaExpert Client.

Also, in my project, I am using java 1.7 and bouncy castle libraries provided with Prosys’ client stack.

April 7, 2015
15:17, EEST
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Bjarne Boström
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Hi,

Are you sure that the bouncy castle libs are in the classpath for your client also? And they are used as-is (i.e. the original jar files; not all merged in one jar, because they are signed and therefore only work as original)

If the classpath for both client/server is the same, then its weird because if it works with UaExpert it should also work with the client since the same security algorithm is used also on the server.

– Bjarne

April 8, 2015
8:51, EEST
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Darko
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Thank you for answering.

The problem was solved now via this solution:

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